448731140 has 48 divisors (see below), whose sum is σ = 1107086400. Its totient is φ = 150622080.

The previous prime is 448731121. The next prime is 448731149. The reversal of 448731140 is 41137844.

It is a junction number, because it is equal to n+sod(n) for n = 448731097 and 448731106.

It is not an unprimeable number, because it can be changed into a prime (448731149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75590 + ... + 81309.

It is an arithmetic number, because the mean of its divisors is an integer number (23064300).

Almost surely, 2^448731140 is an apocalyptic number.

It is an amenable number.

448731140 is an abundant number, since it is smaller than the sum of its proper divisors (658355260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448731140 is a wasteful number, since it uses less digits than its factorization.

448731140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156932 (or 156930 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 448731140 is about 21183.2750064762. The cubic root of 448731140 is about 765.5885029722.

Adding to 448731140 its reverse (41137844), we get a palindrome (489868984).

The spelling of 448731140 in words is "four hundred forty-eight million, seven hundred thirty-one thousand, one hundred forty".